Overview
overview
10Static
static
10carLambo/E....class
windows7-x64
3carLambo/E....class
windows10-2004-x64
3carLambo/F....class
windows7-x64
3carLambo/F....class
windows10-2004-x64
3carLambo/GDI32.class
windows7-x64
3carLambo/GDI32.class
windows10-2004-x64
3carLambo/H....class
windows7-x64
3carLambo/H....class
windows10-2004-x64
3carLambo/K....class
windows7-x64
3carLambo/K....class
windows10-2004-x64
3carLambo/K....class
windows7-x64
3carLambo/K....class
windows10-2004-x64
3carLambo/M....class
windows7-x64
3carLambo/M....class
windows10-2004-x64
3carLambo/O....class
windows7-x64
3carLambo/O....class
windows10-2004-x64
3carLambo/Q....class
windows7-x64
3carLambo/Q....class
windows10-2004-x64
3carLambo/R....class
windows7-x64
3carLambo/R....class
windows10-2004-x64
3carLambo/V....class
windows7-x64
3carLambo/V....class
windows10-2004-x64
3carLambo/W....class
windows7-x64
3carLambo/W....class
windows10-2004-x64
3carLambo/X....class
windows7-x64
3carLambo/X....class
windows10-2004-x64
3carLambo/Z....class
windows7-x64
3carLambo/Z....class
windows10-2004-x64
3carLambo/c....class
windows7-x64
3carLambo/c....class
windows10-2004-x64
3carLambo/d....class
windows7-x64
3carLambo/d....class
windows10-2004-x64
3Analysis
-
max time kernel
150s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
21-06-2023 11:25
Behavioral task
behavioral1
Sample
carLambo/EpWofAJVbFslmSVoJiOKl.class
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
carLambo/EpWofAJVbFslmSVoJiOKl.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral3
Sample
carLambo/FirstRun.class
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
carLambo/FirstRun.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral5
Sample
carLambo/GDI32.class
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
carLambo/GDI32.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral7
Sample
carLambo/HBrowserNativeApis.class
Resource
win7-20230621-en
Behavioral task
behavioral8
Sample
carLambo/HBrowserNativeApis.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral9
Sample
carLambo/Kernel32.class
Resource
win7-20230621-en
Behavioral task
behavioral10
Sample
carLambo/Kernel32.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral11
Sample
carLambo/KhMkDuVtwQiqTmvRKNRUO.class
Resource
win7-20230220-en
Behavioral task
behavioral12
Sample
carLambo/KhMkDuVtwQiqTmvRKNRUO.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral13
Sample
carLambo/MvtPefgRyYqmhJkLbJFZM.class
Resource
win7-20230220-en
Behavioral task
behavioral14
Sample
carLambo/MvtPefgRyYqmhJkLbJFZM.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral15
Sample
carLambo/ODxCDSlzXcVsVaqVcnjYn.class
Resource
win7-20230621-en
Behavioral task
behavioral16
Sample
carLambo/ODxCDSlzXcVsVaqVcnjYn.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral17
Sample
carLambo/QULuOzqHXCcwKyTrdxVnN.class
Resource
win7-20230220-en
Behavioral task
behavioral18
Sample
carLambo/QULuOzqHXCcwKyTrdxVnN.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral19
Sample
carLambo/RZyWOkqJLQlVrMxWGpvsk.class
Resource
win7-20230621-en
Behavioral task
behavioral20
Sample
carLambo/RZyWOkqJLQlVrMxWGpvsk.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral21
Sample
carLambo/VQZSJWtbIIIWStAmVeEzG.class
Resource
win7-20230220-en
Behavioral task
behavioral22
Sample
carLambo/VQZSJWtbIIIWStAmVeEzG.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral23
Sample
carLambo/WeZvnzdveHuSZcFllCmbF.class
Resource
win7-20230220-en
Behavioral task
behavioral24
Sample
carLambo/WeZvnzdveHuSZcFllCmbF.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral25
Sample
carLambo/XYRGkdetsPPNCXpnbnjzm.class
Resource
win7-20230621-en
Behavioral task
behavioral26
Sample
carLambo/XYRGkdetsPPNCXpnbnjzm.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral27
Sample
carLambo/ZBbWBpgOmMTESxYNmfXpX.class
Resource
win7-20230220-en
Behavioral task
behavioral28
Sample
carLambo/ZBbWBpgOmMTESxYNmfXpX.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral29
Sample
carLambo/cnrXdWOSpajnDCDOTKUUo.class
Resource
win7-20230220-en
Behavioral task
behavioral30
Sample
carLambo/cnrXdWOSpajnDCDOTKUUo.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral31
Sample
carLambo/dDWcwWhGOWwQQirQcyCEh.class
Resource
win7-20230220-en
Behavioral task
behavioral32
Sample
carLambo/dDWcwWhGOWwQQirQcyCEh.class
Resource
win10v2004-20230621-en
General
-
Target
carLambo/Kernel32.class
-
Size
240B
-
MD5
e3f75446ab3124fc215c8361fcc09124
-
SHA1
4844e5e11ee17d5d9019c1dbf7458488f64375bd
-
SHA256
50c9b0ca5e829c97fa34c2470197a123ec5d993e9b88c5b0e2158e3488d41885
-
SHA512
88d3c1caefa5742174562e7b271e101026993a703949cbc94f9a26695b3d20a7f626915b54ff8ed6fe6e1aff0725acc614864260544e427e838e594d8295bc8b
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\.class rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\.class\ = "class_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 2016 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid Process 2016 AcroRd32.exe 2016 AcroRd32.exe 2016 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 2028 wrote to memory of 1388 2028 cmd.exe 28 PID 2028 wrote to memory of 1388 2028 cmd.exe 28 PID 2028 wrote to memory of 1388 2028 cmd.exe 28 PID 1388 wrote to memory of 2016 1388 rundll32.exe 29 PID 1388 wrote to memory of 2016 1388 rundll32.exe 29 PID 1388 wrote to memory of 2016 1388 rundll32.exe 29 PID 1388 wrote to memory of 2016 1388 rundll32.exe 29
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\carLambo\Kernel32.class1⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\carLambo\Kernel32.class2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\carLambo\Kernel32.class"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2016
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
3KB
MD5303933bebd5db1d2a8969ee41e13970d
SHA1a21125036ad871f5552f233c7669befc279a0b9f
SHA2560791a4893187fb2e0872d3f6b9b4bff962bb6f7ce3a44ba6cd480ad1849b5c64
SHA51204b0537c17a9d4a33f3a3a99e031e32724104127dc4faa87f98abbbfc1719f74975fb79da2b810e35609635f704d3252009a24480669e4875a610ff6fde0d862